Exercise: Automatic Control Systems

Questions for: Automatic Control Systems

Consider following statements:
  1. Integral of absolute magnitude of error =
  2. Integral time-absolute error =
  3. Integral time-square error =
Which of the above are correct?
A:
1 and 3
B:
1 only
C:
1 and 2
D:
2 and 3
Answer: C
No answer description is available. Let's discuss.

Assertion (A): Points in the s plane at which function G(s) is not analytic are called singular, points.

Reason (R): Singular points at which the function G(s) or its derivative approach infinity are called poles.

A:
Both A and R are correct and R is correct explanation of A
B:
Both A and R are correct but R is not correct explanation of A
C:
A is correct but R is wrong
D:
R is correct but A is wrong
Answer: B
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In a two phasor servomotor, the direction of rotation of the rotating field depends on
A:
magnitudes of voltages applied to the two stator windings
B:
phase relation of voltages applied to the two stator windings
C:
both magnitude and phase relationship of voltages applied to the two stator windings
D:
none of the above
Answer: B
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The block diagram of the given figure for
A:
On-off controller
B:
On-off controller with differential gap
C:
On-off controller with integral gap
D:
Three position controller
Answer: A
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For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency.
A:
True
B:
False
C:
D:
Answer: A
No answer description is available. Let's discuss.
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